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Deep Convolutional Neural Networks (DCNNs) have recently shown state of the art performance in high level vision tasks, such as image classification and object detection. This work brings together methods from DCNNs and probabilistic…

Computer Vision and Pattern Recognition · Computer Science 2016-06-08 Liang-Chieh Chen , George Papandreou , Iasonas Kokkinos , Kevin Murphy , Alan L. Yuille

Complex-valued Neural Networks (CVNNs) are often motivated by domains where information is naturally encoded in magnitude and phase. Yet complex-valued inputs alone do not determine when complex arithmetic improves learning: the label…

Machine Learning · Computer Science 2026-05-28 Ashutosh Kumar

Decoding brain signals accurately and efficiently is crucial for intra-cortical brain-computer interfaces. Traditional decoding approaches based on neural activity vector features suffer from low accuracy, whereas deep learning based…

Human-Computer Interaction · Computer Science 2025-04-15 Song Yang , Haotian Fu , Herui Zhang , Peng Zhang , Wei Li , Dongrui Wu

Extracting temporal and representation features efficiently plays a pivotal role in understanding visual sequence information. To deal with this, we propose a new recurrent neural framework that can be stacked deep effectively. There are…

Computer Vision and Pattern Recognition · Computer Science 2019-10-28 Bo Pang , Kaiwen Zha , Hanwen Cao , Chen Shi , Cewu Lu

Complex-valued neural networks (CVNNs) are particularly suitable for handling phase-sensitive signals, including electrocardiography (ECG), radar/sonar, and wireless in-phase/quadrature (I/Q) streams. Nevertheless, their…

Machine Learning · Computer Science 2025-10-20 Piotr Migus

High resolution magnetic resonance (MR) imaging is desirable in many clinical applications due to its contribution to more accurate subsequent analyses and early clinical diagnoses. Single image super resolution (SISR) is an effective and…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Xiaole Zhao , Yulun Zhang , Tao Zhang , Xueming Zou

Automated visual inspection in the semiconductor industry aims to detect and classify manufacturing defects utilizing modern image processing techniques. While an earliest possible detection of defect patterns allows quality control and…

Machine Learning · Computer Science 2024-06-11 Tobias Schlosser , Frederik Beuth , Michael Friedrich , Danny Kowerko

Neural networks possess incredible capabilities for extracting abstract features from data. Electromagnetic computing harnesses wave propagation to execute computational operations. Metasurfaces, composed of subwavelength meta-atoms, are…

Information Theory · Computer Science 2026-01-23 Jiancheng An , Chau Yuen , Marco Di Renzo , Mehdi Bennis , Merouane Debbah , Lajos Hanzo

Convolutional neural networks have enabled major progresses in addressing pixel-level prediction tasks such as semantic segmentation, depth estimation, surface normal prediction and so on, benefiting from their powerful capabilities in…

Computer Vision and Pattern Recognition · Computer Science 2021-12-16 Guanglei Yang , Paolo Rota , Xavier Alameda-Pineda , Dan Xu , Mingli Ding , Elisa Ricci

Complex-valued neural networks (CVNNs) are a powerful modeling tool for domains where data can be naturally interpreted in terms of complex numbers. However, several analytical properties of the complex domain (e.g., holomorphicity) make…

Neural and Evolutionary Computing · Computer Science 2018-02-23 Simone Scardapane , Steven Van Vaerenbergh , Amir Hussain , Aurelio Uncini

Reconfigurable intelligent surface (RIS) constitutes an essential and promising paradigm that relies programmable wireless environment and provides capability for space-intensive communications, due to the use of low-cost massive reflecting…

Information Theory · Computer Science 2021-12-10 Yu Jin , Jiayi Zhang , Chongwen Huang , Liang Yang , Huahua Xiao , Bo Ai , Zhiqin Wang

We introduce 3D-SIS, a novel neural network architecture for 3D semantic instance segmentation in commodity RGB-D scans. The core idea of our method is to jointly learn from both geometric and color signal, thus enabling accurate instance…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Ji Hou , Angela Dai , Matthias Nießner

It is a challenging task to deploy computationally and memory intensive State-of-the-art deep neural networks (DNNs) on embedded systems with limited hardware resources and power budgets. Recently developed techniques like Deep Compression…

Computer Vision and Pattern Recognition · Computer Science 2018-04-13 Yuechao Gao , Nianhong Liu , Sheng Zhang

Recent deep neural network-based device classification studies show that complex-valued neural networks (CVNNs) yield higher classification accuracy than real-valued neural networks (RVNNs). Although this improvement is (intuitively)…

Reconfigurable Intelligent Surfaces (RIS) represent transformative technologies for next-generation wireless communications, offering advanced control over electromagnetic wave propagation. While RIS have been extensively studied, Stacked…

Signal Processing · Electrical Eng. & Systems 2025-06-12 Andrea Abrardo , Giulio Bartoli , Alberto Toccafondi

In this letter, we investigate joint application of reconfigurable intelligent surface (RIS) and vertical beamforming in cognitive radio networks (CRN). After properly modeling the network, an optimization problem is formed to jointly…

Information Theory · Computer Science 2021-03-17 S. Fatemeh Zamanian , S. Mohammad Razavizadeh , Qingqing Wu

To address memory and computation resource limitations for hardware-oriented acceleration of deep convolutional neural networks (CNNs), we present a computation flow, stacked filters stationary flow (SFS), and a corresponding data encoding…

Computer Vision and Pattern Recognition · Computer Science 2018-02-07 Yuechao Gao , Nianhong Liu , Sheng Zhang

In this paper, we investigate an intelligent reflecting surface (IRS) assisted multi-user multiple-input multiple-output (MIMO) full-duplex (FD) system. We jointly optimize the active beamforming matrices at the access point (AP) and uplink…

Signal Processing · Electrical Eng. & Systems 2021-12-07 Yanzhen Liu , Qiyu Hu , Yunlong Cai , Guanding Yu , Geoffrey Ye Li

Integrating large intelligent reflecting surfaces (IRS) into millimeter-wave (mmWave) massive multi-input-multi-ouput (MIMO) has been a promising approach for improved coverage and throughput. Most existing work assumes the ideal channel…

Information Theory · Computer Science 2020-09-01 Shicong Liu , Zhen Gao , Jun Zhang , Marco Di Renzo , Mohamed-Slim Alouini

With the development of deep learning, the performance of hyperspectral image (HSI) classification has been greatly improved in recent years. The shortage of training samples has become a bottleneck for further improvement of performance.…

Computer Vision and Pattern Recognition · Computer Science 2018-03-01 Yanan Luo , Jie Zou , Chengfei Yao , Tao Li , Gang Bai